Circular No. 2894 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Cable Address: SATELLITES, NEWYORK Western Union: RAPID SATELLITE CAMBMASS COMET KOBAYASHI-BERGER-MILON (1975h) The following precise positions have been reported: 1975 UT R. A. (1950) Decl. Mag. Observer July 17.93750 20 07 43.21 +31 30 27.0 Mis'kin Aug. 4.83229 13 01 16.82 +52 21 51.7 " 9.81042 12 22 08.32 +47 58 20.1 " 12.84931 12 05 42.24 +45 40 52.3 " Oct. 5.82639 10 29 10.61 - 6 31 48.8 Suzuki 5.83681 10 29 10.31 - 6 32 23.0 8.3 Seki 27.10486 10 35 18.73 -26 40 56.0 Hers 27.10946 10 35 18.45 -26 41 06.1 " 29.10243 10 35 41.64 -28 25 20.9 " 29.10694 10 35 41.80 -28 25 35.0 " N. A. Mis'kin, V. D. Motrich and N. M. Shiper (Odessa Observatory). Measurer: Shiper. Reduced at I.T.A., Leningrad. K. Suzuki (JCPM Oi Station). 13-cm f/5 reflector. Measurer: T. Urata. From Nihondaira Obs. Circ. No. 718. T. Seki (Kochi Observatory, Geisei Station). J. Hers (Randburg, near Johannesburg). 20-cm reflector. COMET MORI-SATO-FUJIKAWA (1975j) The following precise positions have been reported: 1975 UT R. A. (1950) Decl. Observer Oct. 27.74028 8 35 31.63 -13 11 37.6 Herald Nov. 1.79210 8 37 44.25 -18 04 50.8 Suzuki 1.81362 8 37 44.47 -18 06 08.8 " 8.83218 8 39 44.05 -25 39 38.9 Kurosaki 8.83310 8 39 44.13 -25 39 41.2 " 9.80987 8 39 53.69 -26 46 54.7 " 9.83921 8 39 53.70 -26 48 56.8 " 18.93958 8 39 28.96 -37 56 07.8 Hers 21.05069 8 38 46.17 -40 39 24.1 " Dec. 10.06840 8 10 18.07 -64 58 53.8 " D. Herald (Kambah, near Canberra). 31-cm reflector. K. Suzuki (JCPM Oi Station) and T. Kurosaki (Utsunomiya). From Nihondaira Obs. Circ. No. 718. J. Hers (Randburg, near Johannesburg). 20-cm reflector. Selected total visual magnitude estimates: 1975 Nov. 29.46 UT, 9.0 (R. N. Campbell, Dunedin, New Zealand, 20-cm reflector); Dec. 6.42, 7.8 (D. Hall, Wellington, New Zealand, 5-cm refractor). PERIODIC COMET HARRINGTON-ABELL (1975l) The following positions have been reported: 1975 UT R. A. (1950) Decl. Observer Oct. 7.29588 2 48 54.82 +30 14 34.2 Schwartz Dec. 5.14954 1 59.29 +29 51.0 Roemer 5.17946 1 59.27 +29 50.8 " G. Schwartz (Harvard College Observatory, Agassiz Station). 155-cm reflector. Measurer: C. Y. Shao. E. Roemer and M. A. Daniel (University of Arizona). Steward Observatory's 229-cm reflector, Kitt Peak. COMET WEST (1975n) Further precise positions have been reported as follows: 1975 UT R. A. (1950) Decl. Mag. Observer Nov. 14.42890 20 19 11s19 -40 19 24.8 Austin 28.38798 20 27 12.21 -39 01 21.7 14.3 Gilmore 28.40341 20 27 13.05 -39 01 16.1 " 30.37649 20 28 48.05 -38 49 32.6 13.6 " 30.39039 20 28 48.69 -38 49 27.8 " Dec. 5.40107 20 33 19.23 -38 18 55.6 13.6 " 5.41469 20 33 20.06 -38 18 49.9 " R. R. D. Austin (Mount John University Observatory). 25-cm f/7 astrograph. Measurer: P. M. Kilmartin. A. C. Gilmore (Carter Observatory). Measurer: P. M. Kilmartin. INCREASE IN SUBSCRIPTION RATES Owing to increases in both domestic and international postage fees it is necessary for us to raise the subscription rates to these Circulars. Starting with this issue, the rate for special (i.e., unbilled) accounts will be 18c per Circular, and that for regular accounts will be 24c. Special subscribers should note that the number of the last Circular they will receive will generally be adjusted downward; the normal payment will in future be $9.00 (for 50 issues) or $18.00 (for 100 issues) although other amounts can be accepted. For back issues the regular rate of 24c will be charged. 1976 January 2 (2894) Brian G. Marsden
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